Crystal 4/4 Violin Bow Straighten Collimator Corrector Tool Guide for Beginner Training Practice Features:
1. Quick installation, complete installation in 10 seconds, saving time and effortless.
2. White transparent plastic material, does not hurt violin body.
3. The design of the product does not involve sound and does not change its sound quality.
Specifications:
Material: plastic
Applicable violins: for 4/4 violin
Product size: 80 x 70 x 20mm/3.15 x 2.76 x 0.79"
Net weight: 17g
Gross weight: 27g
Function: easy to practice violin, no slide bow